61613652 has 24 divisors (see below), whose sum is σ = 147272832. Its totient is φ = 20036800.

The previous prime is 61613581. The next prime is 61613653. The reversal of 61613652 is 25631616.

It is a super-3 number, since 3×61613652³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61613653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62124 + ... + 63107.

It is an arithmetic number, because the mean of its divisors is an integer number (6136368).

Almost surely, 2^61613652 is an apocalyptic number.

It is an amenable number.

61613652 is an abundant number, since it is smaller than the sum of its proper divisors (85659180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61613652 is a wasteful number, since it uses less digits than its factorization.

61613652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125279 (or 125277 counting only the distinct ones).

The product of its digits is 6480, while the sum is 30.

The square root of 61613652 is about 7849.4364128898. The cubic root of 61613652 is about 394.9653379828.

The spelling of 61613652 in words is "sixty-one million, six hundred thirteen thousand, six hundred fifty-two".